package com.csp.mingyue.common.core.vo;

import com.csp.mingyue.common.core.constant.Constants;
import com.csp.mingyue.common.core.constant.HttpStatus;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

/**
 * 响应信息主体
 *
 * @author Strive
 */
@Data
@Schema(description = "响应信息主体")
@NoArgsConstructor
public class R<T> implements Serializable {

	private static final long serialVersionUID = 1L;

	/**
	 * 成功
	 */
	public static final int SUCCESS = Constants.SUCCESS;

	/**
	 * 失败
	 */
	public static final int FAIL = Constants.FAIL;

	/**
	 * 消息状态码
	 */
	private int code;

	/**
	 * 消息内容
	 */
	private String msg;

	/**
	 * 数据对象
	 */
	private T data;

	public static <T> R<T> ok() {
		return restResult(null, SUCCESS, "操作成功");
	}

	public static <T> R<T> ok(T data) {
		return restResult(data, SUCCESS, "操作成功");
	}

	public static <T> R<T> ok(String msg) {
		return restResult(null, SUCCESS, msg);
	}

	public static <T> R<T> ok(String msg, T data) {
		return restResult(data, SUCCESS, msg);
	}

	public static <T> R<T> fail() {
		return restResult(null, FAIL, "操作失败");
	}

	public static <T> R<T> fail(String msg) {
		return restResult(null, FAIL, msg);
	}

	public static <T> R<T> fail(T data) {
		return restResult(data, FAIL, "操作失败");
	}

	public static <T> R<T> fail(String msg, T data) {
		return restResult(data, FAIL, msg);
	}

	public static <T> R<T> fail(int code, String msg) {
		return restResult(null, code, msg);
	}

	/**
	 * 返回警告消息
	 * @param msg 返回内容
	 * @return 警告消息
	 */
	public static <T> R<T> warn(String msg) {
		return restResult(null, HttpStatus.WARN, msg);
	}

	/**
	 * 返回警告消息
	 * @param msg 返回内容
	 * @param data 数据对象
	 * @return 警告消息
	 */
	public static <T> R<T> warn(String msg, T data) {
		return restResult(data, HttpStatus.WARN, msg);
	}

	private static <T> R<T> restResult(T data, int code, String msg) {
		R<T> r = new R<>();
		r.setCode(code);
		r.setData(data);
		r.setMsg(msg);
		return r;
	}

	public static <T> Boolean isError(R<T> ret) {
		return !isSuccess(ret);
	}

	public static <T> Boolean isSuccess(R<T> ret) {
		return R.SUCCESS == ret.getCode();
	}

}
